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The twin-peaked lumber bubble of 2021 and 2022 that once drove home building costs through the roof and exacerbated inflation is now nothing more than a memory.. Spot lumber prices have plummeted ...
Competitive auctions determine the stumpage fees to be paid. The difference between the cost of acquisition of harvested timber between the United States and Canada is the cause of the ongoing Canada-United States softwood lumber dispute. The United States' representatives claim the Canadian system of determining stumpage fees amounts to a subsidy.
[citation needed] PSL can be made from any wood species, but Douglas fir, southern pine, western hemlock, and yellow poplar are commonly chosen [9] because of their superior strength. The product is manufactured as a 12-by-12-inch (300 mm × 300 mm) or 12-by-18-inch (300 mm × 460 mm) billet in a rectangular cross-section, which is then ...
The selection of the proper index to use depends on the industry in which it is applied. For example, while CE, M&S or IC Index are typically employed for chemical process industries, the ENR (Engineering News-Record) construction index is used for general industrial construction and takes in account the prices for fixed amounts of structural steel, cement, lumber and labor.
Wood cut from Victorian Eucalyptus regnans The harbor of Bellingham, Washington, filled with logs, 1972. Lumber is wood that has been processed into uniform and useful sizes (dimensional lumber), including beams and planks or boards. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, window frames ...
The invention of laminated veneer lumber as known today can be attributed to Arthur Troutner. While glue laminated wood veneers were in use since the middle of the 19th century on a small scale for furniture and pianos, Troutner was the first to develop a laminated veneer lumber of a scale large enough to be used in construction.
When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...